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diff agent/src/share/classes/sun/jvm/hotspot/runtime/solaris_sparc/SolarisSPARCJavaThreadPDAccess.java @ 218:a5838065ab24

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6620329: jstack prints double native methods on Solaris/sparc Summary: Fixed stack walking code in sparc to start frame walk from last_java_sp. Reviewed-by: sgoldman
author swamyv
date Tue, 24 Jun 2008 21:37:10 -0700
parents a61af66fc99e
children c18cbe5936b8
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line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/runtime/solaris_sparc/SolarisSPARCJavaThreadPDAccess.java	Sat Jun 21 10:03:31 2008 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/solaris_sparc/SolarisSPARCJavaThreadPDAccess.java	Tue Jun 24 21:37:10 2008 -0700
@@ -121,6 +121,13 @@
   }
 
   public Frame getCurrentFrameGuess(JavaThread thread, Address addr) {
+
+    // If java stack is walkable then both last_Java_sp and last_Java_pc are
+    // non null and we can start stack walk from this frame.
+    if (thread.getLastJavaSP() != null && thread.getLastJavaPC() != null) {
+      return new SPARCFrame(SPARCFrame.biasSP(thread.getLastJavaSP()), thread.getLastJavaPC());
+    }
+
     ThreadProxy t = getThreadProxy(addr);
     SPARCThreadContext context = (SPARCThreadContext) t.getContext();
     // For now, let's see what happens if we do a similar thing to